Sunspot drawing of 1983-4-23

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https://doi.org/10.7891/e-manuscripta-140370



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1983-04-23
12:45
Hs 1304.6:683
https://doi.org/10.7891/e-manuscripta-140370
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
97 7 7 B 7 237
100 3 3 B -9 252
101 32 26 C 10 219
103 22 24 C -12 173
104 2 2 A 17 151
105 16 20 D -12 133
106 8 9 C -16 123
107 3 2 A 30 190
8 93 93